EASY
6th ICSE
IMPORTANT
Earn 100

Categorise the substance into the weakest strongest inter-molecular forces of attraction.

Kerosene, air, water, duster, and mustard oil.

Important Questions on Matter

EASY
6th ICSE
IMPORTANT

Marble cannot be compressed. Why?

EASY
6th ICSE
IMPORTANT
A balloon becomes larger when air is blown into it. Why?
EASY
6th ICSE
IMPORTANT
We see steam rising from a cup of hot tea. Why?
EASY
6th ICSE
IMPORTANT
We observe that on heating, diffusion becomes faster. Why?
EASY
6th ICSE
IMPORTANT
Have you seen things made from clay? Clay is a type of soft earth that can be moulded into different shapes. When clay is baked, it becomes very hard. What changes the clay undergoes in the above process from moulding into different shapes to baking.
HARD
6th ICSE
IMPORTANT
Formation of curd from milk is an irreversible change as you cannot get back milk from curd. Is this a physical or a chemical change?
HARD
6th ICSE
IMPORTANT
Can you think of an irreversible physical change?